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αα α¬α³ ααα«α΅:
ααα£α₯ αα΅α
αα³ααα² α
α»αα΅ (1-3 ααα΅)α£ αα³ααα² ααα (4-6 ααα΅)
αααα¨α΅ αΎα³: αααα°α/α°α£αα³αα α£αα΅α°αα΅α
α°αα£α: α΅ααα΅ αααα£ αα΅α½α£ ααααΈαα
α΅α₯α: α°αα°αα³α
αα°αα«α ααα² α₯ααͺ: PVC
ααα¨α΅: αα°
α£α«α³α΅α: αα³α/α£α₯ ααα α₯ααͺ ααα α
αα¦α³ ααα½α₯α€ ααα΅α²α
αα₯αͺ: F065 α₯α«α£ F065 α£α΅α©α½α£ F065 α½ααα° α©α αα£ F065 αΈαα
αα αα: 21α£ 22α£ 23α£ 24α£ 25α£ 26α£ 27α£ 28α£ 29α£ 30α£ 21-25 α«αα΅α΅α£ 5 α½αα² α£α₯ αα° α’α΅α£ 26-30 α«αα΅α΅α£ 5 α½αα² α£α₯ αα° α’α΅
αα α¬α³ αα αα:
| αα αα | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 3o |
| αα½α£α αααα΅ CM | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 |
αααα α₯α½α:
α΅ααα΅ α«α*1
